Mathematics for Machine Technology
Mathematics for Machine Technology
7th Edition
ISBN: 9781133281450
Author: John C. Peterson, Robert D. Smith
Publisher: Cengage Learning
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Concept explainers

Unitary Method
The word “unitary” comes from the word “unit”, which means a single and complete entity. In this method, we find the value of a unit product from the given number of products, and then we solve for the other number of products.
Speed, Time, and Distance
Imagine you and 3 of your friends are planning to go to the playground at 6 in the evening. Your house is one mile away from the playground and one of your friends named Jim must start at 5 pm to reach the playground by walk. The other two friends are 3 …
Profit and Loss
The amount earned or lost on the sale of one or more items is referred to as the profit or loss on that item.
Units and Measurements
Measurements and comparisons are the foundation of science and engineering. We, therefore, need rules that tell us how things are measured and compared. For these measurements and comparisons, we perform certain experiments, and we will need the experime…
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Textbook Question
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Chapter 19, Problem 13A

Analyze each of the following problems to determine whether the problem is a direct or inverse proportion. Set up the proportion and solve.
13. Two forgings are made of the same stainless steel alloy. A forging, which weighs 76.00 kilograms, contains 0.38 kilogram of chromium. How many kilograms of chromium does the second forging contain if it weighs 96.00 kilograms? Round the answer to 2 decimal places.

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Chapter 19 Solutions

Mathematics for Machine Technology

Ch. 19 - Solve the proportion 3R=119for R. If necessary,...Ch. 19 - Find the nearer fraction equivalent of 0.647 using...Ch. 19 - Prob. 3ACh. 19 - Prob. 4ACh. 19 - Subtract: 15.328.755 .Ch. 19 - Prob. 6ACh. 19 - Prob. 7ACh. 19 - Prob. 8ACh. 19 - Prob. 9ACh. 19 - Analyze each of the following problems to...
Ch. 19 - Analyze each of the following problems to...Ch. 19 - Analyze each of the following problems to...Ch. 19 - Analyze each of the following problems to...Ch. 19 - A 10.00-inch diameter pulley rotates at 160.0 rpm....Ch. 19 - Prob. 15ACh. 19 - Prob. 16A
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